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Class Information
Number: 976/DIG.405
Name: Nuclear technology > Radioactive sources [g21g-4/00] *** (producing neutrons or other subatomic particles, x- or gamma rays, in fusion reactors dig. 1+, in nuclear reactors dig. 5+; in accelerators h05h; x-ray tubes h01j-35/00; gamma masers h01s-4/00) > Radioactive sources other than neutron sources [g21g-4/04]

Sub-classes under this class:

Class Number Class Name Patents
976/DIG.406 Characterized by constructional features [g21g-4/06] 4
976/DIG.408 With radium emanation [g21g-4/10] 0

Patents under this class:

Patent Number Title Of Patent Date Issued
6417597 Gravitational wave generator Jul. 9, 2002
4406697 Radioactive .sup.57 Co source Sep. 27, 1983
4177378 Long-lived reference cell simulating the .alpha. scintillation of radon-222 Dec. 4, 1979
4059769 Starting material radiation source for Mossbauer investigations of tellurium compounds Nov. 22, 1977
4033884 Calibration source Jul. 5, 1977
4016095 Source of ionizing radiation Apr. 5, 1977
4004970 Radiation source for mossbauer investigations of tellurium compounds and method of preparing same Jan. 25, 1977
4001588 Radioactive heat source and method of making same Jan. 4, 1977
3983219 High purity polonium recovery Sep. 28, 1976
3974088 Mock iodine-125 radiation source Aug. 10, 1976

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